Hi @mmcky , The code below in md does not work in all lectures. ``` ```{contents} Contents :depth: 2 ``` ( In rst, ``` .. contents:: :depth: 2 ``` ) For example, in [this lecture](https://python.quantecon.org/geom_series.html), The netlify version shows like below.  Whereas, the website shows like below. 
Hi @mmcky ,
The code below in md does not work in all lectures.
( In rst,
)
For example, in this lecture,
The netlify version shows like below.
Whereas, the website shows like below.
